Textron Jacobsen G-Plex III Mode D'emploi page 49

9 LUBRICATION & MAINTENANCE
9.22 HYDRAULIC SYSTEM
Reservoir Capacity
Total System Capacity
To check the hydraulic fluid level, locate the sight
glass on the tower portion of the reservoir. Visually
inspect to see if there is 1/2" (13mm) (at ambient
temperature) of fluid visible above the lower portion
of the sight glass. If not, unscrew the reservoir cap
and fill to proper level.
9.23 HYDRAULIC PUMP BYPASS VALVE
The Bypass Valve allows the unit to be pushed or
towed. Use the pin on the key fob in the valve at the
bottom of the pump to rotate counterclockwise (as
viewed from the bottom of the pump) to open the
valve. After moving the unit, close the valve by
turning the valve clockwise.
NOTE:The bypass valve must be tightly closed for
normal operation or a significant loss of
speed will occur and may cause serious
damage to the hydrostatic pump.
9.24 FREE WHEELING OR TOWING UNIT
To prevent damage to the pump or wheel motors
when FREE WHEELING or TOWING:
1. Engine must be OFF and cool.
2. Turn hydraulic pump bypass valve on the
bottom of the pump 180° counterclockwise to
open position (as viewed from the bottom).
3. FREE WHEEL or TOW unit slowly, below 2
mph (3.2 Km/h).
4. Before starting engine, BE SURE to turn the
pump bypass valve clockwise to fully closed
position.
18.0L
25.5L
JACOBSEN G-PLEX III Series: FH & FJ
SAFETY AND OPERATORS MANUAL
1. Sight Glass
2. Reservoir Cap
3. Tower
1. Bypass Valve
NOTE: If the pump bypass valve is not completely
closed, a significant loss of speed will occur.
Operating the unit when the pump is not
completely closed, may cause damage to the
pump."
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